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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-2y=9-19
Tangohia te 19 mai i ngā taha e rua.
-2y=-10
Tangohia te 19 i te 9, ka -10.
y=\frac{-10}{-2}
Whakawehea ngā taha e rua ki te -2.
y=5
Whakawehea te -10 ki te -2, kia riro ko 5.